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LED won't come on and only faint hum is heard.

When switching on my projector, the lamp doesn't come on, only a faint internal noise is heard, no fan, and no LED indicating a problem.

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  • Anonymous Mar 23, 2008

    lamp comes on then goes off

  • lluchjm May 30, 2008

    Hello I have the Epson EMP-500 too,


    First, I plug in the power suply wire, then Operation Indicator led is orange and I can heard the internal noise of the fans. It's ok.

    But, when I press the power button, the projector switch off completely.

    Which part could be damaged? Where could I find it?
    thanks


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  • 563 Answers

Hi there

You are most probably looking at a faulty Ballast Board wich is the lamp's power supply.

If the Projector makes a really hard humming noise it could be your Colourwheel that is faulty.

The unfortunate thing about a Colourwheel is that you can't fix it , you have to replace it. The fortunate thing is that it is a very cheap part to replace.

Posted on Mar 25, 2008

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It seems you assume that it is not an overheating problem.
The problem is, the bulb gets really, really hot when using the projector. It doesn't matter whether it has been there without any usage. As you switch it on, it will start to get hot.
But the lamp or other parts of the projector should not get too hot. To control the temperature, air is moved through the projector with the help of fans. Air enters through air filters and move through the projector absorbing heat from hot parts. This prevents these parts from getting overheated.
But what if air doesn't flow freely? Then the parts CAN get overheated.
First, switch on the projector and check whether you can hear the fans working.
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2)fan connectors
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HI-

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Hope this helps

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